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In a shipment of 69 vials, only 13 do not have hairline cracks. If you randomly select 3 vials from the shipment, in how many ways can at least one of the 3 selected vials have a hairline crack if the order of selection does not matter?
Statistics and Probability, Statistics
Two people agree to meet at a coffee shop. They each independently pick a random moment in time between 8 a.m. and 9 a.m. and show up exactly at their selected time. But they are very impatient, and only stay for 10 minu ...
You want to you want to estimate the mean weight of quarters in circulation. A sample of 30 quarters has a mean weight of 5.649 grams in a standard deviation of 0.066 gram. Use a single value to estimate the mean weight ...
Looking for guidance: A normal population has a mean of μ = 100. A sample of N = 36 is selected from the population, and a treatment is administered to the sample. After treatment, the sample mean is computed to be = 106 ...
In a poker hand consisting of 5 cards find the probabilty of holding 2 aces and 3 jacks In how many ways can you pick 5 different questions from a test bank contsisting of 15 questions? 3 dice are thrown find the probabi ...
If no payments are made, a loan of amount $44000 would increase to $49103.89 after 2 years of monthly compounding interest. If instead, payments of $718.87 are made at the end of each month, how many years would it be un ...
A researcher determines that students study an average of 60 15 (M SD) minutes per week. Assuming these data are normally distributed, what is the z score for students studying 45 minutes per week?
When circuit boards used in the manufacture of compact disc players are tested, the long run percentage of defectives is 5%. Let X= the number of defective boards in random sample of size n=25, so X ~ Bin( 25, .05). a) ...
I. Using the central limit theorem, what is the distribution of sample means when the population distribution is the following? PART (A) rectangular (a) positively skewed (b) uniformly distributed (c) normally distribute ...
We have a normal distribution with a mean of 71 and a standard deviation of 11 What is the Z value of the value 62? Round to three decimal digits. show workings please
Thinking specifically about Disney theme parks, how does Disney connect with the target market? What are some of the challenges associated with Disney theme parks? Use examples.
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